High Speed Plankton Collector ”Nackthai”

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Gulf V sampler, modified for higher sampling efficiency

 

About

The High Speed Plankton Collector ”Nackthai” has been developed to catch mobile organisms with increased efficiency. It consists of a 150 cm long net bag, protected by a robust but light-weight tube frame with conical nose of 20 cm inlet diameter. Three plastic fins guarantee for stable orientation during the operation.

A 22 kg V-Fin depressor is used to create negative lift at the instrument. For easy retrieval the sample is concentrated inside a removable plastic net bucket with side window (covered with sieve gauze).

The “Nackthai” can be used together with one Mechanical Flow Meter to measure the filtered water volume. No bridles or other towing devices precede the mouth of the net so that organisms are not being “warned”. The mouth opening of the net is unobstructed. Due to the low weight of the frame the “Nackthai” can easily be handled even under rough weather conditions. It can be towed at up to 8 knots.

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Description

Spare Parts & Accessories

Spare Net Bag – Nackthai

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Spare Net Bag for High Speed Plankton Collector ”Nackthai”

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PVC-Net Bucket

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with side window, covered with sieve gauze

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V-Fin Depressor

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with steel rope and shackle, weight 22 kg

-> V-Fin Article page

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Mechanical Flow Meter

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Mechanical Flow Meter

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TECHNICAL DATA
MaterialTube frame: Stainless steel
Net bag: MOnyl
Net bucket: PVC
Dimensions275 cm x 100 cm x 70cm
(l x w x h)
Weight70 kg
Mouth opening20 cm dia./0.03142 m²
Mesh size405 µm (or as per choice between 100 and 1000 µm)
ORDERING INFORMATION
Products
438 410High Speed Plankton Collector ”Nackthai”
1. Metal frame - sides to net open
2. Net Part consisting of:
a) Ring Bond of Nylon webbing with zip fastener
b) Net Bag with zip fastener, conical,
front opening 38 cm,
back opening 11 cm, length 150 cm,
of synthetic material, mesh size 405 µm
3. Plastic Net Bucket, consisting of:
a Fixing Ring with over centre fasteners
for attaching to the net end
b) PVC-Net Bucket with side window,
covered with sieve gauze
4. V-Fin Depressor with steel rope
and shackle, weight 22 kg
Accessories
438 110Mechanical Flow Meter
Spare Parts
438 412Spare Net Bag for High Speed Plankton Collector ”Nackthai”,
405 µm (or as per choice between 100 and 1000 µm)
438 955/BPVC-Net Bucket with side window,
covered with sieve gauze
405 µm (or as per choice between 100 and 1000 µm)
440 416V-Fin Depressor with steel rope
and shackle, weight 22 kg